v3.22.2.2
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 740 $ 1,328 $ 849 $ 965
Other comprehensive income (loss) before reclassifications     (53) 17
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss     (14) 15
Tax effects     (16) (8)
Total other comprehensive (loss) income (38) 11 (83) 24
Ending balance 906 1,280 906 1,280
Accumulated other comprehensive loss        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (169) (113) (124) (126)
Ending balance (207) (102) (207) (102)
Net Unrealized Gains (Losses) on Derivative Instruments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     24 (24)
Other comprehensive income (loss) before reclassifications     131 31
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss     (15) 15
Tax effects     (17) (7)
Total other comprehensive (loss) income     99 39
Ending balance 123 15 123 15
Net Unrealized Gains (Losses) on Available-for-Sale Debt Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     18 6
Other comprehensive income (loss) before reclassifications     3 7
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss     0 0
Tax effects     0 0
Total other comprehensive (loss) income     3 7
Ending balance 21 13 21 13
Defined Benefit Pension Components        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (16) (21)
Other comprehensive income (loss) before reclassifications     (1) 0
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss     1 0
Tax effects     0 0
Total other comprehensive (loss) income     0 0
Ending balance (16) (21) (16) (21)
Foreign Currency Translation Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (150) (87)
Other comprehensive income (loss) before reclassifications     (186) (21)
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss     0 0
Tax effects     1 (1)
Total other comprehensive (loss) income     (185) (22)
Ending balance $ (335) $ (109) $ (335) $ (109)